Build Box Extras

Rocket Revolver Refill Pack (Build Box)

The Rocket Revolver Refill Pack (Build Box) is a refill option for your foam rocket supply. If you h...

Disc Launcher Discs Refill Pack (Build Box)

Has your couch eaten all of your Disc Launcher Discs? Do you want to modify a huge hopper so you can...

Foam Balls Refill Pack (Build Box)

Did your Trip Wire balls roll away or mysteriously vanish from known space? Did your Domino Catapult...

Repeating X-Bow Refill Pack (Build Box)

The Repeating X-Bow Refill Pack (Build Box) is a refill option for your CrunchLabs build. If you hav...